#596C21
Closest named color: Dark Olive Green (#556B2F). oklch(50% 0.102 122.4), rgb(89, 108, 33).
Aa
White text reads best on this color (5.84:1).
About this color
#596C21 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.102 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Olive Green (#556B2F), ΔE 0.015 away. White text reads best on it, at 5.84:1.
| Hue family | Yellows |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.102) |
| Temperature | in between |
| Nearest name | Dark Olive Green (#556B2F) |
| Black text | 3.59:1 |
| White text | 5.84:1 |
Values
| HEX | #596C21 |
| RGB | rgb(89, 108, 33) |
| HSL | hsl(75, 53%, 28%) |
| OKLCH | oklch(50% 0.102 122.4) |
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 #596C21 | 5.84:1 | AA | Lc -84.4 | Fine for body text |
| Black text on #596C21 | 3.59:1 | AA large text | Lc 24.9 | Dividers and decoration only |
| #596C21 text on white | 5.84:1 | AA | Lc 79.2 | Fine for body text |
| #596C21 text on black | 3.59:1 | AA large text | Lc -22.7 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE1
oklch(93.7% 0.015 123)
-
Step 200
200
#D6DCC9
oklch(88.5% 0.026 121.2)
-
Step 300
300
#BBC6A3
oklch(80.9% 0.049 121.7)
-
Step 400
400
#98A971
oklch(70.7% 0.079 122.2)
-
Step 500
500
#7F934B
oklch(63.1% 0.1 122.1)
-
Step 600
600
#687D2C
oklch(55.5% 0.11 122.4)
-
Step 700
700 (this color)
#596C21
oklch(50% 0.102 122.4)
-
Step 800
800
#47561B
oklch(42.7% 0.085 122.2)
-
Step 900
900
#3B471D
oklch(37.7% 0.066 122.8)
-
Step 950
950
#232A12
oklch(27.1% 0.042 122.5)
#596C21 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) | #736517 | 0.042 |
| Deuteranopia (no green cones) | #706527 | 0.042 |
| Tritanopia (no blue cones) | #5E665D | 0.086 |
| Achromatopsia (no color) | #656565 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #596C21
#596C21
oklch(50% 0.102 122.4)
- #6F5493
#6F5493
oklch(50.1% 0.101 302.7)
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 #596C21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive Green #556B2F ΔE 0.015
- Mud Green #606602 ΔE 0.020
- Camo Green #526525 ΔE 0.025
- Dark Moss Green #606C38 ΔE 0.028
- Browny Green #6F6C0A ΔE 0.033
- Muddy Green #657432 ΔE 0.033
- Brown Green #706C11 ΔE 0.034
- Greeny Brown #696006 ΔE 0.038
Use #596C21 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.