#557923
Closest named color: Olive Green (#677A04). oklch(53.1% 0.121 129.4), rgb(85, 121, 35).
Aa
White text reads best on this color (5.06:1).
About this color
#557923 is a medium-dark, moderately saturated green. In OKLCH its lightness is 53%, its chroma 0.121 and its hue 129°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Green (#677A04), ΔE 0.026 away. White text reads best on it, at 5.06:1.
| Hue family | Greens |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Olive Green (#677A04) |
| Black text | 4.14:1 |
| White text | 5.06:1 |
Values
| HEX | #557923 |
| RGB | rgb(85, 121, 35) |
| HSL | hsl(85, 55%, 31%) |
| OKLCH | oklch(53.1% 0.121 129.4) |
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 #557923 | 5.06:1 | AA | Lc -80.2 | Fine for body text |
| Black text on #557923 | 4.14:1 | AA large text | Lc 29.2 | Dividers and decoration only |
| #557923 text on white | 5.06:1 | AA | Lc 74.8 | Content text, not long reading |
| #557923 text on black | 4.14:1 | AA large text | Lc -26.9 | 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
#D3DDC9
oklch(88.4% 0.029 128.8)
-
Step 300
300
#B5C8A3
oklch(80.8% 0.055 129.8)
-
Step 400
400
#8FAC71
oklch(70.8% 0.088 129.7)
-
Step 500
500
#74974B
oklch(63.2% 0.111 129.5)
-
Step 600
600 (this color)
#557923
oklch(53.1% 0.121 129.4)
-
Step 700
700
#4C6D1E
oklch(49.2% 0.113 129.5)
-
Step 800
800
#3E591B
oklch(42.8% 0.094 129.7)
-
Step 900
900
#35491D
oklch(37.7% 0.072 129.6)
-
Step 950
950
#1F2B12
oklch(27.1% 0.046 130)
#557923 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) | #7F7016 | 0.062 |
| Deuteranopia (no green cones) | #7A6E2A | 0.063 |
| Tritanopia (no blue cones) | #577468 | 0.094 |
| Achromatopsia (no color) | #6E6E6E | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #557923
#557923
oklch(53.1% 0.121 129.4)
- #8156A0
#8156A0
oklch(53.1% 0.121 309.6)
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 #557923, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Green #677A04 ΔE 0.026
- Murky Green #6C7A0E ΔE 0.031
- Muddy Green #657432 ΔE 0.033
- Military Green #667C3E ΔE 0.038
- Dark Grass Green #388004 ΔE 0.043
- Tree Green #2A7E19 ΔE 0.045
- Swamp #698339 ΔE 0.045
- Browny Green #6F6C0A ΔE 0.047
Use #557923 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.