#636601
Closest named color: Mud Green (#606602). oklch(49.1% 0.108 111.8), rgb(99, 102, 1).
Aa
White text reads best on this color (6.11:1).
About this color
#636601 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 49%, its chroma 0.108 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Mud Green (#606602), ΔE 0.005 away. White text reads best on it, at 6.11:1.
| Hue family | Yellows |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.108) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.43:1 |
| White text | 6.11:1 |
Values
| HEX | #636601 |
| RGB | rgb(99, 102, 1) |
| HSL | hsl(62, 98%, 20%) |
| OKLCH | oklch(49.1% 0.108 111.8) |
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 #636601 | 6.11:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #636601 | 3.43:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #636601 text on white | 6.11:1 | AA | Lc 80.4 | Fine for body text |
| #636601 text on black | 3.43:1 | AA large text | Lc -21.4 | 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
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#D9DBC6
oklch(88.4% 0.028 111.4)
-
Step 300
300
#C1C49E
oklch(80.8% 0.052 111.2)
-
Step 400
400
#A2A668
oklch(70.7% 0.083 111.5)
-
Step 500
500
#8B903C
oklch(63.2% 0.108 112.2)
-
Step 600
600
#767913
oklch(55.6% 0.116 111.4)
-
Step 700
700 (this color)
#636601
oklch(49.1% 0.108 111.8)
-
Step 800
800
#51530A
oklch(42.7% 0.089 111.3)
-
Step 900
900
#434513
oklch(37.7% 0.07 111.5)
-
Step 950
950
#27280D
oklch(26.9% 0.043 110.9)
#636601 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) | #6F6100 | 0.023 |
| Deuteranopia (no green cones) | #6F630E | 0.023 |
| Tritanopia (no blue cones) | #6B5F56 | 0.097 |
| Achromatopsia (no color) | #626262 | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #636601
#636601
oklch(49.1% 0.108 111.8)
- #625499
#625499
oklch(49.2% 0.108 291.2)
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 #636601, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.005
- Greeny Brown #696006 ΔE 0.020
- Browny Green #6F6C0A ΔE 0.027
- Brown Green #706C11 ΔE 0.029
- Camo Green #526525 ΔE 0.030
- Dark Olive Green #556B2F ΔE 0.031
- Dark Moss Green #606C38 ΔE 0.038
- Camouflage Green #4B6113 ΔE 0.040
Use #636601 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.