#597E40
Closest named color: Military Green (#667C3E). oklch(55% 0.099 134), rgb(89, 126, 64).
Aa
White text reads best on this color (4.68:1).
About this color
#597E40 is a medium-dark, moderately saturated green. In OKLCH its lightness is 55%, its chroma 0.099 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.017 away. White text reads best on it, at 4.68:1.
| Hue family | Greens |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.099) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #597E40 |
| RGB | rgb(89, 126, 64) |
| HSL | hsl(96, 33%, 37%) |
| OKLCH | oklch(55% 0.099 134) |
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 #597E40 | 4.68:1 | AA | Lc -77.9 | Fine for body text |
| Black text on #597E40 | 4.48:1 | AA large text | Lc 31.6 | Non-text elements, placeholder text |
| #597E40 text on white | 4.68:1 | AA | Lc 72.4 | Content text, not long reading |
| #597E40 text on black | 4.48:1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E6ECE3
oklch(93.6% 0.014 134.9)
-
Step 200
200
#D3DDCD
oklch(88.5% 0.024 133.5)
-
Step 300
300
#B5C7AA
oklch(80.8% 0.044 133.5)
-
Step 400
400
#8FAB7D
oklch(70.8% 0.072 133.5)
-
Step 500
500
#73965C
oklch(63.2% 0.091 133.7)
-
Step 600
600 (this color)
#597E40
oklch(55% 0.099 134)
-
Step 700
700
#4A6C33
oklch(49.1% 0.093 134.1)
-
Step 800
800
#3D582B
oklch(42.7% 0.077 134)
-
Step 900
900
#344827
oklch(37.5% 0.059 134)
-
Step 950
950
#1F2A17
oklch(26.9% 0.037 132.9)
#597E40 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) | #82763B | 0.060 |
| Deuteranopia (no green cones) | #7D7344 | 0.060 |
| Tritanopia (no blue cones) | #597A6F | 0.071 |
| Achromatopsia (no color) | #747474 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #597E40
#597E40
oklch(55% 0.099 134)
- #865F9A
#865F9A
oklch(54.9% 0.099 313.7)
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 #597E40, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.017
- Swamp #698339 ΔE 0.028
- Dark Sage #598556 ΔE 0.029
- Muddy Green #657432 ΔE 0.030
- Murky Green #6C7A0E ΔE 0.039
- Olive Green #677A04 ΔE 0.040
- Khaki Green #728639 ΔE 0.043
- Fern Green #548D44 ΔE 0.044
Use #597E40 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.