#399D53
Closest named color: Muted Green (#5FA052). oklch(62% 0.143 148.9), rgb(57, 157, 83).
Aa
Black text reads best on this color (6.12:1).
About this color
#399D53 is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.143 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 0.034 away. Black text reads best on it, at 6.12:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.143) |
| Temperature | in between |
| Nearest name | Muted Green (#5FA052) |
| Black text | 6.12:1 |
| White text | 3.43:1 |
Values
| HEX | #399D53 |
| RGB | rgb(57, 157, 83) |
| HSL | hsl(136, 47%, 42%) |
| OKLCH | oklch(62% 0.143 148.9) |
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 #399D53 | 3.43:1 | AA large text | Lc -66.9 | Content text, not long reading |
| Black text on #399D53 | 6.12:1 | AA | Lc 42.6 | Non-text elements, placeholder text |
| #399D53 text on white | 3.43:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #399D53 text on black | 6.12:1 | AA | Lc -40.2 | 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
#A2CEA8
oklch(81% 0.07 148.6)
-
Step 400
400
#6CB479
oklch(70.7% 0.112 148.7)
-
Step 500
500 (this color)
#399D53
oklch(62% 0.143 148.9)
-
Step 600
600
#058B3B
oklch(55.6% 0.156 149)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#016026
oklch(42.7% 0.12 148.9)
-
Step 900
900
#124F24
oklch(37.8% 0.094 149.1)
-
Step 950
950
#0D2E15
oklch(26.9% 0.06 148.8)
#399D53 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) | #9E904D | 0.116 |
| Deuteranopia (no green cones) | #928758 | 0.116 |
| Tritanopia (no blue cones) | #1A9A8B | 0.081 |
| Achromatopsia (no color) | #8A8A8A | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399D53
#399D53
oklch(62% 0.143 148.9)
- #B463B0
#B463B0
oklch(61.9% 0.144 329)
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 #399D53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muted Green #5FA052 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.038
- Mid Green #50A747 ΔE 0.040
- Flat Green #699D4C ΔE 0.042
- Jade #1FA774 ΔE 0.042
- Fern Green #548D44 ΔE 0.046
- Seaweed Green #35AD6B ΔE 0.048
- Ocean Green #3D9973 ΔE 0.049
Use #399D53 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.