#399138
Closest named color: Kelley Green (#009337). oklch(58.3% 0.152 143.1), rgb(57, 145, 56).
Aa
Black text reads best on this color (5.28:1).
About this color
#399138 is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.152 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 5.28:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Kelley Green (#009337) |
| Black text | 5.28:1 |
| White text | 3.97:1 |
Values
| HEX | #399138 |
| RGB | rgb(57, 145, 56) |
| HSL | hsl(119, 44%, 39%) |
| OKLCH | oklch(58.3% 0.152 143.1) |
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 #399138 | 3.97:1 | AA large text | Lc -72.3 | Content text, not long reading |
| Black text on #399138 | 5.28:1 | AA | Lc 37.3 | Non-text elements, placeholder text |
| #399138 text on white | 3.97:1 | AA large text | Lc 66.8 | Content text, not long reading |
| #399138 text on black | 5.28:1 | AA | Lc -34.9 | 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
#E2EDE2
oklch(93.5% 0.019 145.4)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A7CDA4
oklch(81% 0.07 143)
-
Step 400
400
#76B273
oklch(70.6% 0.109 143.2)
-
Step 500
500
#509E4E
oklch(63% 0.139 143.2)
-
Step 600
600 (this color)
#399138
oklch(58.3% 0.152 143.1)
-
Step 700
700
#217422
oklch(49.2% 0.141 143.2)
-
Step 800
800
#1E5E1E
oklch(42.6% 0.116 143.2)
-
Step 900
900
#1F4D1E
oklch(37.6% 0.091 143.1)
-
Step 950
950
#132D13
oklch(26.8% 0.057 143.8)
#399138 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) | #94842E | 0.110 |
| Deuteranopia (no green cones) | #897D3F | 0.109 |
| Tritanopia (no blue cones) | #298D7E | 0.096 |
| Achromatopsia (no color) | #808080 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #399138
#399138
oklch(58.3% 0.152 143.1)
- #A558AE
#A558AE
oklch(58.4% 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 #399138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Kelley Green #009337 ΔE 0.022
- Irish Green #019529 ΔE 0.031
- Forest Green #228B22 ΔE 0.031
- Fern Green #548D44 ΔE 0.032
- Sap Green #5C8B15 ΔE 0.034
- Emerald Green #028F1E ΔE 0.035
- Mossy Green #638B27 ΔE 0.039
- Light Forest Green #4F9153 ΔE 0.040
Use #399138 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.