#399037
Closest named color: Kelley Green (#009337). oklch(58% 0.151 143), rgb(57, 144, 55).
Aa
Black text reads best on this color (5.21:1).
About this color
#399037 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.151 and its hue 143°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Kelley Green (#009337), ΔE 0.022 away. Black text reads best on it, at 5.21:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.21:1 |
| White text | 4.02:1 |
Values
| HEX | #399037 |
| RGB | rgb(57, 144, 55) |
| HSL | hsl(119, 45%, 39%) |
| OKLCH | oklch(58% 0.151 143) |
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 #399037 | 4.02:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #399037 | 5.21:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #399037 text on white | 4.02:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #399037 text on black | 5.21:1 | AA | Lc -34.5 | 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 600.
-
Step 50
50
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E3EDE2
oklch(93.6% 0.018 142.8)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A7CCA4
oklch(80.8% 0.068 143)
-
Step 400
400
#77B273
oklch(70.7% 0.109 142.9)
-
Step 500
500
#519E4D
oklch(63% 0.139 142.8)
-
Step 600
600 (this color)
#399037
oklch(58% 0.151 143)
-
Step 700
700
#227422
oklch(49.2% 0.141 143.1)
-
Step 800
800
#1F5E1E
oklch(42.6% 0.116 143)
-
Step 900
900
#204D1E
oklch(37.6% 0.09 142.8)
-
Step 950
950
#142D13
oklch(26.9% 0.056 143.1)
#399037 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) | #93832D | 0.109 |
| Deuteranopia (no green cones) | #887C3E | 0.109 |
| Tritanopia (no blue cones) | #2A8C7D | 0.096 |
| Achromatopsia (no color) | #7F7F7F | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399037
#399037
oklch(58% 0.151 143)
- #A457AD
#A457AD
oklch(58% 0.151 323.3)
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 #399037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.022
- Forest Green #228B22 ΔE 0.029
- Irish Green #019529 ΔE 0.031
- Fern Green #548D44 ΔE 0.032
- Sap Green #5C8B15 ΔE 0.034
- Emerald Green #028F1E ΔE 0.034
- Mossy Green #638B27 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.040
Use #399037 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.