#287B31
Closest named color: Tree Green (#2A7E19). oklch(51.6% 0.135 145), rgb(40, 123, 49).
Aa
White text reads best on this color (5.29:1).
About this color
#287B31 is a medium-dark, moderately saturated green. In OKLCH its lightness is 52%, its chroma 0.135 and its hue 145°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Tree Green (#2A7E19), ΔE 0.024 away. White text reads best on it, at 5.29:1.
| Hue family | Greens |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.135) |
| Temperature | in between |
| Nearest name | Tree Green (#2A7E19) |
| Black text | 3.96:1 |
| White text | 5.29:1 |
Values
| HEX | #287B31 |
| RGB | rgb(40, 123, 49) |
| HSL | hsl(127, 51%, 32%) |
| OKLCH | oklch(51.6% 0.135 145) |
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 #287B31 | 5.29:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #287B31 | 3.96:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #287B31 text on white | 5.29:1 | AA | Lc 76.0 | Fine for body text |
| #287B31 text on black | 3.96:1 | AA large text | Lc -25.8 | Dividers and decoration only |
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 700.
-
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
#CBE0CB
oklch(88.5% 0.036 145.3)
-
Step 300
300
#A7CCA7
oklch(80.8% 0.065 144.9)
-
Step 400
400
#76B278
oklch(70.7% 0.104 145.1)
-
Step 500
500
#4F9E54
oklch(63.1% 0.133 145)
-
Step 600
600
#2E8837
oklch(55.5% 0.145 144.9)
-
Step 700
700 (this color)
#287B31
oklch(51.6% 0.135 145)
-
Step 800
800
#1D5E24
oklch(42.7% 0.111 145.1)
-
Step 900
900
#1E4D22
oklch(37.6% 0.087 145.2)
-
Step 950
950
#132D15
oklch(26.9% 0.054 145.5)
#287B31 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) | #7D702A | 0.102 |
| Deuteranopia (no green cones) | #736937 | 0.101 |
| Tritanopia (no blue cones) | #12786B | 0.083 |
| Achromatopsia (no color) | #6B6B6B | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #287B31
#287B31
oklch(51.6% 0.135 145)
- #8D4892
#8D4892
oklch(51.5% 0.136 324.8)
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 #287B31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Tree Green #2A7E19 ΔE 0.024
- Jungle Green #048243 ΔE 0.024
- Dark Grass Green #388004 ΔE 0.036
- Green #008000 ΔE 0.042
- Forest Green #228B22 ΔE 0.054
- Sea Green #2E8B57 ΔE 0.060
- Dark Olive Green #556B2F ΔE 0.062
- Olive Green #677A04 ΔE 0.064
Use #287B31 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.