#3F9C57
Closest named color: Muted Green (#5FA052). oklch(62% 0.135 149.3), rgb(63, 156, 87).
Aa
Black text reads best on this color (6.10:1).
About this color
#3F9C57 is a medium-dark, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.135 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muted Green (#5FA052), ΔE 0.032 away. Black text reads best on it, at 6.10:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.10:1 |
| White text | 3.44:1 |
Values
| HEX | #3F9C57 |
| RGB | rgb(63, 156, 87) |
| HSL | hsl(135, 42%, 43%) |
| OKLCH | oklch(62% 0.135 149.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3F9C57 | 3.44:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #3F9C57 | 6.10:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #3F9C57 text on white | 3.44:1 | AA large text | Lc 61.6 | Content text, not long reading |
| #3F9C57 text on black | 6.10:1 | AA | Lc -40.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C9E0CC
oklch(88.4% 0.037 149.1)
-
Step 300
300
#A3CDAA
oklch(80.9% 0.066 149.6)
-
Step 400
400
#6FB37C
oklch(70.7% 0.106 149.2)
-
Step 500
500 (this color)
#3F9C57
oklch(62% 0.135 149.3)
-
Step 600
600
#188A3F
oklch(55.6% 0.148 149.1)
-
Step 700
700
#027531
oklch(49.1% 0.137 149.2)
-
Step 800
800
#0C5F2A
oklch(42.6% 0.113 149.5)
-
Step 900
900
#174E26
oklch(37.7% 0.088 149.1)
-
Step 950
950
#0F2E17
oklch(27.1% 0.056 149.6)
#3F9C57 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #9D8F52 | 0.111 |
| Deuteranopia (no green cones) | #91875C | 0.110 |
| Tritanopia (no blue cones) | #27998B | 0.076 |
| Achromatopsia (no color) | #8A8A8A | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F9C57
#3F9C57
oklch(62% 0.135 149.3)
- #B265AD
#B265AD
oklch(61.9% 0.136 329.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F9C57, closest first.
No curated palette has a color within ΔE 0.04 of #3F9C57.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.032
- Light Forest Green #4F9153 ΔE 0.032
- Flat Green #699D4C ΔE 0.039
- Jade #1FA774 ΔE 0.040
- Ocean Green #3D9973 ΔE 0.042
- Fern Green #548D44 ΔE 0.043
- Mid Green #50A747 ΔE 0.044
- Off Green #6BA353 ΔE 0.048
Use #3F9C57 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.