#636C19
Closest named color: Browny Green (#6F6C0A). oklch(50.7% 0.104 115.7), rgb(99, 108, 25).
Aa
White text reads best on this color (5.69:1).
About this color
#636C19 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 51%, its chroma 0.104 and its hue 116°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Browny Green (#6F6C0A), ΔE 0.018 away. White text reads best on it, at 5.69:1.
| Hue family | Yellows |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Browny Green (#6F6C0A) |
| Black text | 3.68:1 |
| White text | 5.69:1 |
Values
| HEX | #636C19 |
| RGB | rgb(99, 108, 25) |
| HSL | hsl(67, 62%, 26%) |
| OKLCH | oklch(50.7% 0.104 115.7) |
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 #636C19 | 5.69:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #636C19 | 3.68:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #636C19 text on white | 5.69:1 | AA | Lc 78.4 | Fine for body text |
| #636C19 text on black | 3.68:1 | AA large text | Lc -23.4 | 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
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E9EBE0
oklch(93.6% 0.015 115)
-
Step 200
200
#D8DCC7
oklch(88.6% 0.029 115.7)
-
Step 300
300
#BFC5A0
oklch(80.9% 0.051 115)
-
Step 400
400
#9EA76C
oklch(70.7% 0.081 115.6)
-
Step 500
500
#879143
oklch(63.1% 0.103 115.5)
-
Step 600
600
#717B21
oklch(55.7% 0.112 115.7)
-
Step 700
700 (this color)
#636C19
oklch(50.7% 0.104 115.7)
-
Step 800
800
#4D5413
oklch(42.6% 0.086 115.5)
-
Step 900
900
#404618
oklch(37.8% 0.067 116)
-
Step 950
950
#25290F
oklch(27% 0.043 116.6)
#636C19 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) | #746608 | 0.029 |
| Deuteranopia (no green cones) | #736720 | 0.031 |
| Tritanopia (no blue cones) | #6A655C | 0.092 |
| Achromatopsia (no color) | #676767 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636C19
#636C19
oklch(50.7% 0.104 115.7)
- #6B589A
#6B589A
oklch(50.8% 0.104 295.7)
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 #636C19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Browny Green #6F6C0A ΔE 0.018
- Mud Green #606602 ΔE 0.020
- Brown Green #706C11 ΔE 0.020
- Dark Olive Green #556B2F ΔE 0.026
- Muddy Green #657432 ΔE 0.028
- Dark Moss Green #606C38 ΔE 0.029
- Greeny Brown #696006 ΔE 0.034
- Camo Green #526525 ΔE 0.036
Use #636C19 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.