#555A00
Closest named color: Army Green (#4B5D16). oklch(44.8% 0.1 113.5), rgb(85, 90, 0).
Aa
White text reads best on this color (7.37:1).
About this color
#555A00 is a dark, moderately saturated yellow. In OKLCH its lightness is 45%, its chroma 0.100 and its hue 113°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.016 away. White text reads best on it, at 7.37:1.
| Hue family | Yellows |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.100) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.84:1 |
| White text | 7.37:1 |
Values
| HEX | #555A00 |
| RGB | rgb(85, 90, 0) |
| HSL | hsl(63, 100%, 18%) |
| OKLCH | oklch(44.8% 0.1 113.5) |
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 #555A00 | 7.37:1 | AAA | Lc -90.3 | Preferred for body text |
| Black text on #555A00 | 2.84:1 | Fails | Lc 18.6 | Dividers and decoration only |
| #555A00 text on white | 7.37:1 | AAA | Lc 85.5 | Fine for body text |
| #555A00 text on black | 2.84:1 | Fails | Lc -16.6 | 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 800.
-
Step 50
50
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#E9EBDF
oklch(93.5% 0.016 114.4)
-
Step 200
200
#D9DCC4
oklch(88.6% 0.032 112.8)
-
Step 300
300
#C0C59A
oklch(80.8% 0.058 113.1)
-
Step 400
400
#A0A761
oklch(70.7% 0.093 113.5)
-
Step 500
500
#8A912F
oklch(63.2% 0.12 113.3)
-
Step 600
600
#747A00
oklch(55.6% 0.124 113.2)
-
Step 700
700
#616700
oklch(49.2% 0.11 113.7)
-
Step 800
800 (this color)
#555A00
oklch(44.8% 0.1 113.5)
-
Step 900
900
#42460A
oklch(37.8% 0.078 113.5)
-
Step 950
950
#262909
oklch(27% 0.05 114.3)
#555A00 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) | #625500 | 0.025 |
| Deuteranopia (no green cones) | #62570B | 0.025 |
| Tritanopia (no blue cones) | #5C544B | 0.088 |
| Achromatopsia (no color) | #565656 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #555A00
#555A00
oklch(44.8% 0.1 113.5)
- #584887
#584887
oklch(44.8% 0.101 293.6)
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 #555A00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.016
- Camouflage Green #4B6113 ΔE 0.023
- Olive Brown #645403 ΔE 0.030
- Camo Green #526525 ΔE 0.034
- Green Brown #544E03 ΔE 0.037
- Greeny Brown #696006 ΔE 0.039
- Mud Green #606602 ΔE 0.041
- Dark Olive Green #556B2F ΔE 0.053
Use #555A00 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.