#399F55
Closest named color: Muted Green (#5FA052). oklch(62.5% 0.144 149.3), rgb(57, 159, 85).
Aa
Black text reads best on this color (6.26:1).
About this color
#399F55 is a medium-light, vivid green. In OKLCH its lightness is 63%, its chroma 0.144 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 6.26:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #399F55 |
| RGB | rgb(57, 159, 85) |
| HSL | hsl(136, 47%, 42%) |
| OKLCH | oklch(62.5% 0.144 149.3) |
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 #399F55 | 3.35:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #399F55 | 6.26:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #399F55 text on white | 3.35:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #399F55 text on black | 6.26:1 | AA | Lc -41.1 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE3
oklch(93.6% 0.02 150.1)
-
Step 200
200
#C8E1CB
oklch(88.5% 0.04 148.7)
-
Step 300
300
#A1CEA8
oklch(80.9% 0.071 149.2)
-
Step 400
400
#6BB47A
oklch(70.7% 0.112 149.4)
-
Step 500
500 (this color)
#399F55
oklch(62.5% 0.144 149.3)
-
Step 600
600
#008B3B
oklch(55.6% 0.156 149.2)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#114F24
oklch(37.8% 0.094 149.3)
-
Step 950
950
#0D2E16
oklch(26.9% 0.059 149.7)
#399F55 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) | #A0924F | 0.117 |
| Deuteranopia (no green cones) | #93895A | 0.116 |
| Tritanopia (no blue cones) | #179C8D | 0.081 |
| Achromatopsia (no color) | #8C8C8C | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399F55
#399F55
oklch(62.5% 0.144 149.3)
- #B664B2
#B664B2
oklch(62.4% 0.145 328.9)
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 #399F55, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.032
- Mid Green #50A747 ΔE 0.036
- Jade #1FA774 ΔE 0.038
- Flat Green #699D4C ΔE 0.040
- Light Forest Green #4F9153 ΔE 0.042
- Seaweed Green #35AD6B ΔE 0.042
- Jade Green #2BAF6A ΔE 0.046
- Off Green #6BA353 ΔE 0.047
Use #399F55 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.