#638030
Closest named color: Swamp (#698339). oklch(56% 0.113 126.6), rgb(99, 128, 48).
Aa
Black text reads best on this color (4.66:1).
About this color
#638030 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.113 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.015 away. Black text reads best on it, at 4.66:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.66:1 |
| White text | 4.50:1 |
Values
| HEX | #638030 |
| RGB | rgb(99, 128, 48) |
| HSL | hsl(82, 45%, 35%) |
| OKLCH | oklch(56% 0.113 126.6) |
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 #638030 | 4.50:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #638030 | 4.66:1 | AA | Lc 32.9 | Non-text elements, placeholder text |
| #638030 text on white | 4.50:1 | AA | Lc 71.2 | Content text, not long reading |
| #638030 text on black | 4.66:1 | AA | Lc -30.5 | Non-text elements, placeholder text |
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
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC9
oklch(88.5% 0.029 126.8)
-
Step 300
300
#B8C7A4
oklch(80.9% 0.051 126.4)
-
Step 400
400
#93AA73
oklch(70.6% 0.08 126.8)
-
Step 500
500
#79954D
oklch(63.1% 0.104 126.6)
-
Step 600
600 (this color)
#638030
oklch(56% 0.113 126.6)
-
Step 700
700
#516B21
oklch(49.1% 0.105 126.6)
-
Step 800
800
#42571E
oklch(42.6% 0.086 126.8)
-
Step 900
900
#38481E
oklch(37.7% 0.068 126.7)
-
Step 950
950
#212A12
oklch(26.9% 0.043 126)
#638030 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) | #867827 | 0.053 |
| Deuteranopia (no green cones) | #827636 | 0.054 |
| Tritanopia (no blue cones) | #677A6F | 0.091 |
| Achromatopsia (no color) | #777777 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #638030
#638030
oklch(56% 0.113 126.6)
- #8561A8
#8561A8
oklch(55.9% 0.113 306.4)
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 #638030, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.015
- Military Green #667C3E ΔE 0.022
- Murky Green #6C7A0E ΔE 0.024
- Olive Green #677A04 ΔE 0.025
- Khaki Green #728639 ΔE 0.029
- Moss Green #658B38 ΔE 0.032
- Mossy Green #638B27 ΔE 0.035
- Muddy Green #657432 ΔE 0.036
Use #638030 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.