#63891C
Closest named color: Mossy Green (#638B27). oklch(58.1% 0.139 127.6), rgb(99, 137, 28).
Aa
Black text reads best on this color (5.12:1).
About this color
#63891C is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.139 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mossy Green (#638B27), ΔE 0.008 away. Black text reads best on it, at 5.12:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Mossy Green (#638B27) |
| Black text | 5.12:1 |
| White text | 4.09:1 |
Values
| HEX | #63891C |
| RGB | rgb(99, 137, 28) |
| HSL | hsl(81, 66%, 32%) |
| OKLCH | oklch(58.1% 0.139 127.6) |
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 #63891C | 4.09:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #63891C | 5.12:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #63891C text on white | 4.09:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #63891C text on black | 5.12:1 | AA | Lc -33.7 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
Step 100
100
#E6ECE0
oklch(93.5% 0.017 128.7)
-
Step 200
200
#D3DEC6
oklch(88.6% 0.034 127.3)
-
Step 300
300
#B5C99E
oklch(80.9% 0.063 128)
-
Step 400
400
#8FAD67
oklch(70.8% 0.101 127.7)
-
Step 500
500
#73973B
oklch(63% 0.127 127.7)
-
Step 600
600 (this color)
#63891C
oklch(58.1% 0.139 127.6)
-
Step 700
700
#4C6D00
oklch(49.1% 0.127 127.5)
-
Step 800
800
#3E5907
oklch(42.7% 0.107 127.6)
-
Step 900
900
#354912
oklch(37.6% 0.083 127.3)
-
Step 950
950
#1F2B0D
oklch(27% 0.052 127.7)
#63891C 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) | #907F00 | 0.066 |
| Deuteranopia (no green cones) | #8B7D27 | 0.067 |
| Tritanopia (no blue cones) | #678275 | 0.112 |
| Achromatopsia (no color) | #7D7D7D | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63891C
#63891C
oklch(58.1% 0.139 127.6)
- #9161BA
#9161BA
oklch(58.1% 0.14 307.5)
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 #63891C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mossy Green #638B27 ΔE 0.008
- Sap Green #5C8B15 ΔE 0.012
- Olive Drab #6B8E23 ΔE 0.019
- Moss Green #658B38 ΔE 0.022
- Swamp Green #748500 ΔE 0.023
- Dark Yellow Green #728F02 ΔE 0.029
- Fern Green #548D44 ΔE 0.032
- Swamp #698339 ΔE 0.035
Use #63891C 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.