#288600
Closest named color: Forest Green (#228B22). oklch(54.4% 0.174 139.8), rgb(40, 134, 0).
Aa
White text reads best on this color (4.66:1).
About this color
#288600 is a medium-dark, vivid green. In OKLCH its lightness is 54%, its chroma 0.174 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.018 away. White text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.50:1 |
| White text | 4.66:1 |
Values
| HEX | #288600 |
| RGB | rgb(40, 134, 0) |
| HSL | hsl(102, 100%, 26%) |
| OKLCH | oklch(54.4% 0.174 139.8) |
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 #288600 | 4.66:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #288600 | 4.50:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #288600 text on white | 4.66:1 | AA | Lc 71.9 | Content text, not long reading |
| #288600 text on black | 4.50:1 | AA | Lc -29.8 | 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 600.
-
Step 50
50
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE1C6
oklch(88.6% 0.043 139.9)
-
Step 300
300
#A6CE9D
oklch(81% 0.08 139.9)
-
Step 400
400
#75B467
oklch(70.8% 0.126 140)
-
Step 500
500
#4EA039
oklch(63.2% 0.161 139.8)
-
Step 600
600 (this color)
#288600
oklch(54.4% 0.174 139.8)
-
Step 700
700
#227400
oklch(49% 0.157 139.8)
-
Step 800
800
#1C5F04
oklch(42.6% 0.134 139.8)
-
Step 900
900
#1E4E11
oklch(37.7% 0.104 139.8)
-
Step 950
950
#132E0C
oklch(27.1% 0.066 139.6)
#288600 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) | #8A7900 | 0.118 |
| Deuteranopia (no green cones) | #7F7119 | 0.116 |
| Tritanopia (no blue cones) | #178171 | 0.119 |
| Achromatopsia (no color) | #747474 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288600
#288600
oklch(54.4% 0.174 139.8)
- #9A45AD
#9A45AD
oklch(54.3% 0.174 319.9)
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 #288600, closest first.
No curated palette has a color within ΔE 0.04 of #288600.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.018
- Dark Grass Green #388004 ΔE 0.020
- Green #008000 ΔE 0.025
- Emerald Green #028F1E ΔE 0.026
- Tree Green #2A7E19 ΔE 0.028
- True Green #089404 ΔE 0.041
- Kelley Green #009337 ΔE 0.042
- Irish Green #019529 ΔE 0.043
Use #288600 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.