#577F21
Closest named color: Olive Green (#677A04). oklch(54.7% 0.129 130), rgb(87, 127, 33).
Aa
White text reads best on this color (4.70:1).
About this color
#577F21 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.129 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 4.70:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.129) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #577F21 |
| RGB | rgb(87, 127, 33) |
| HSL | hsl(86, 59%, 31%) |
| OKLCH | oklch(54.7% 0.129 130) |
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 #577F21 | 4.70:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #577F21 | 4.46:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #577F21 text on white | 4.70:1 | AA | Lc 72.5 | Content text, not long reading |
| #577F21 text on black | 4.46:1 | AA large text | Lc -29.2 | 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
#F4F7F1
oklch(97.2% 0.009 128.6)
-
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
#B4C9A1
oklch(80.9% 0.059 130.2)
-
Step 400
400
#8DAC6E
oklch(70.6% 0.092 130.1)
-
Step 500
500
#719846
oklch(63.2% 0.119 130.3)
-
Step 600
600 (this color)
#577F21
oklch(54.7% 0.129 130)
-
Step 700
700
#496D16
oklch(49% 0.12 130)
-
Step 800
800
#3C5916
oklch(42.6% 0.099 130.1)
-
Step 900
900
#344A19
oklch(37.9% 0.079 129.8)
-
Step 950
950
#1E2B10
oklch(26.9% 0.049 130.3)
#577F21 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) | #857511 | 0.068 |
| Deuteranopia (no green cones) | #80732A | 0.069 |
| Tritanopia (no blue cones) | #59796D | 0.101 |
| Achromatopsia (no color) | #747474 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #577F21
#577F21
oklch(54.7% 0.129 130)
- #8859A9
#8859A9
oklch(54.8% 0.129 309.9)
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 #577F21, 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 0.028
- Swamp #698339 ΔE 0.036
- Dark Grass Green #388004 ΔE 0.038
- Sap Green #5C8B15 ΔE 0.039
- Military Green #667C3E ΔE 0.040
- Mossy Green #638B27 ΔE 0.040
- Moss Green #658B38 ΔE 0.043
Use #577F21 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.