#616B18
Closest named color: Mud Green (#606602). oklch(50.3% 0.104 116.3), rgb(97, 107, 24).
Aa
White text reads best on this color (5.79:1).
About this color
#616B18 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, 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 Mud Green (#606602), ΔE 0.016 away. White text reads best on it, at 5.79:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.104) |
| Temperature | in between |
| Nearest name | Mud Green (#606602) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #616B18 |
| RGB | rgb(97, 107, 24) |
| HSL | hsl(67, 63%, 26%) |
| OKLCH | oklch(50.3% 0.104 116.3) |
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 #616B18 | 5.79:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #616B18 | 3.62:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #616B18 text on white | 5.79:1 | AA | Lc 78.9 | Fine for body text |
| #616B18 text on black | 3.62:1 | AA large text | Lc -22.9 | 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 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
#BEC5A1
oklch(80.8% 0.05 116.5)
-
Step 400
400
#9DA76D
oklch(70.6% 0.08 116.5)
-
Step 500
500
#869144
oklch(63.1% 0.103 116.2)
-
Step 600
600
#707B22
oklch(55.6% 0.112 116.3)
-
Step 700
700 (this color)
#616B18
oklch(50.3% 0.104 116.3)
-
Step 800
800
#4C5514
oklch(42.8% 0.087 117.1)
-
Step 900
900
#404618
oklch(37.8% 0.067 116)
-
Step 950
950
#25290F
oklch(27% 0.043 116.6)
#616B18 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) | #736507 | 0.030 |
| Deuteranopia (no green cones) | #72661F | 0.032 |
| Tritanopia (no blue cones) | #68655B | 0.090 |
| Achromatopsia (no color) | #656565 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #616B18
#616B18
oklch(50.3% 0.104 116.3)
- #6A5698
#6A5698
oklch(50.2% 0.104 296.4)
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 #616B18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Green #606602 ΔE 0.016
- Browny Green #6F6C0A ΔE 0.022
- Dark Olive Green #556B2F ΔE 0.023
- Brown Green #706C11 ΔE 0.023
- Dark Moss Green #606C38 ΔE 0.029
- Muddy Green #657432 ΔE 0.031
- Greeny Brown #696006 ΔE 0.032
- Camo Green #526525 ΔE 0.032
Use #616B18 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.