#288623
Closest named color: Forest Green (#228B22). oklch(54.5% 0.16 142.4), rgb(40, 134, 35).
Aa
White text reads best on this color (4.64:1).
About this color
#288623 is a medium-dark, vivid green. In OKLCH its lightness is 55%, its chroma 0.160 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest Green (#228B22), ΔE 0.015 away. White text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.160) |
| Temperature | in between |
| Nearest name | Forest Green (#228B22) |
| Black text | 4.52:1 |
| White text | 4.64:1 |
Values
| HEX | #288623 |
| RGB | rgb(40, 134, 35) |
| HSL | hsl(117, 59%, 33%) |
| OKLCH | oklch(54.5% 0.16 142.4) |
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 #288623 | 4.64:1 | AA | Lc -77.3 | Fine for body text |
| Black text on #288623 | 4.52:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #288623 text on white | 4.64:1 | AA | Lc 71.8 | Content text, not long reading |
| #288623 text on black | 4.52:1 | AA | Lc -29.9 | 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
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CBE0C8
oklch(88.4% 0.039 141.7)
-
Step 300
300
#A6CDA2
oklch(80.9% 0.073 142.4)
-
Step 400
400
#75B36F
oklch(70.7% 0.116 142.2)
-
Step 500
500
#4E9F48
oklch(63.1% 0.147 142.3)
-
Step 600
600 (this color)
#288623
oklch(54.5% 0.16 142.4)
-
Step 700
700
#1D7419
oklch(49% 0.149 142.4)
-
Step 800
800
#1B5F18
oklch(42.7% 0.124 142.5)
-
Step 900
900
#1E4E1B
oklch(37.8% 0.096 142.4)
-
Step 950
950
#132E11
oklch(27.1% 0.061 142.4)
#288623 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) | #897912 | 0.113 |
| Deuteranopia (no green cones) | #7E722D | 0.112 |
| Tritanopia (no blue cones) | #108273 | 0.104 |
| Achromatopsia (no color) | #747474 | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #288623
#288623
oklch(54.5% 0.16 142.4)
- #9A4AA6
#9A4AA6
oklch(54.5% 0.16 322.3)
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 #288623, closest first.
No curated palette has a color within ΔE 0.04 of #288623.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest Green #228B22 ΔE 0.015
- Dark Grass Green #388004 ΔE 0.020
- Tree Green #2A7E19 ΔE 0.024
- Emerald Green #028F1E ΔE 0.029
- Green #008000 ΔE 0.030
- Kelley Green #009337 ΔE 0.037
- Jungle Green #048243 ΔE 0.038
- Irish Green #019529 ΔE 0.044
Use #288623 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.