#577B2B
Closest named color: Olive Green (#677A04). oklch(53.8% 0.116 130.1), rgb(87, 123, 43).
Aa
White text reads best on this color (4.91:1).
About this color
#577B2B is a medium-dark, moderately saturated green. In OKLCH its lightness is 54%, its chroma 0.116 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 0.025 away. White text reads best on it, at 4.91:1.
| Hue family | Greens |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #577B2B |
| RGB | rgb(87, 123, 43) |
| HSL | hsl(87, 48%, 33%) |
| OKLCH | oklch(53.8% 0.116 130.1) |
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 #577B2B | 4.91:1 | AA | Lc -79.3 | Fine for body text |
| Black text on #577B2B | 4.27:1 | AA large text | Lc 30.2 | Non-text elements, placeholder text |
| #577B2B text on white | 4.91:1 | AA | Lc 73.9 | Content text, not long reading |
| #577B2B text on black | 4.27:1 | AA large text | Lc -27.8 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE2
oklch(93.6% 0.015 132.5)
-
Step 200
200
#D3DDC9
oklch(88.4% 0.029 128.8)
-
Step 300
300
#B5C8A5
oklch(80.9% 0.052 130.8)
-
Step 400
400
#8FAB74
oklch(70.6% 0.083 130.2)
-
Step 500
500
#74964E
oklch(63% 0.107 129.7)
-
Step 600
600 (this color)
#577B2B
oklch(53.8% 0.116 130.1)
-
Step 700
700
#4C6C23
oklch(49% 0.107 129.8)
-
Step 800
800
#3E581F
oklch(42.6% 0.089 130.1)
-
Step 900
900
#35491F
oklch(37.7% 0.07 130.2)
-
Step 950
950
#1F2B13
oklch(27.1% 0.045 130.6)
#577B2B 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) | #817221 | 0.062 |
| Deuteranopia (no green cones) | #7C7031 | 0.063 |
| Tritanopia (no blue cones) | #59766A | 0.089 |
| Achromatopsia (no color) | #717171 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577B2B
#577B2B
oklch(53.8% 0.116 130.1)
- #8359A0
#8359A0
oklch(53.8% 0.116 310.2)
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 #577B2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.025
- Murky Green #6C7A0E ΔE 0.029
- Muddy Green #657432 ΔE 0.030
- Military Green #667C3E ΔE 0.031
- Swamp #698339 ΔE 0.037
- Dark Grass Green #388004 ΔE 0.047
- Browny Green #6F6C0A ΔE 0.049
- Tree Green #2A7E19 ΔE 0.049
Use #577B2B 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.