#557C20
Closest named color: Olive Green (#677A04). oklch(53.8% 0.127 129.9), rgb(85, 124, 32).
Aa
White text reads best on this color (4.89:1).
About this color
#557C20 is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.127 and its hue 130°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.023 away. White text reads best on it, at 4.89:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.29:1 |
| White text | 4.89:1 |
Values
| HEX | #557C20 |
| RGB | rgb(85, 124, 32) |
| HSL | hsl(85, 59%, 31%) |
| OKLCH | oklch(53.8% 0.127 129.9) |
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 #557C20 | 4.89:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #557C20 | 4.29:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #557C20 text on white | 4.89:1 | AA | Lc 73.8 | Content text, not long reading |
| #557C20 text on black | 4.29:1 | AA large text | Lc -27.9 | 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 600.
-
Step 50
50
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E6ECE1
oklch(93.5% 0.016 130.4)
-
Step 200
200
#D2DEC8
oklch(88.5% 0.032 130.6)
-
Step 300
300
#B5C9A2
oklch(81% 0.058 129.8)
-
Step 400
400
#8EAC6F
oklch(70.7% 0.091 129.8)
-
Step 500
500
#729747
oklch(63% 0.116 129.7)
-
Step 600
600 (this color)
#557C20
oklch(53.8% 0.127 129.9)
-
Step 700
700
#4A6D18
oklch(49.1% 0.118 129.7)
-
Step 800
800
#3D5917
oklch(42.7% 0.098 129.7)
-
Step 900
900
#34491A
oklch(37.6% 0.076 129.6)
-
Step 950
950
#1E2B10
oklch(26.9% 0.049 130.3)
#557C20 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) | #827310 | 0.066 |
| Deuteranopia (no green cones) | #7D7028 | 0.068 |
| Tritanopia (no blue cones) | #57766A | 0.099 |
| Achromatopsia (no color) | #717171 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557C20
#557C20
oklch(53.8% 0.127 129.9)
- #8557A5
#8557A5
oklch(54% 0.127 310)
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 #557C20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.023
- Murky Green #6C7A0E ΔE 0.029
- Dark Grass Green #388004 ΔE 0.038
- Muddy Green #657432 ΔE 0.040
- Military Green #667C3E ΔE 0.040
- Swamp #698339 ΔE 0.042
- Tree Green #2A7E19 ΔE 0.042
- Sap Green #5C8B15 ΔE 0.048
Use #557C20 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.