#618033
Closest named color: Swamp (#698339). oklch(55.9% 0.111 128), rgb(97, 128, 51).
Aa
Black text reads best on this color (4.64:1).
About this color
#618033 is a medium-dark, moderately saturated green. In OKLCH its lightness is 56%, its chroma 0.111 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.016 away. Black text reads best on it, at 4.64:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.64:1 |
| White text | 4.52:1 |
Values
| HEX | #618033 |
| RGB | rgb(97, 128, 51) |
| HSL | hsl(84, 43%, 35%) |
| OKLCH | oklch(55.9% 0.111 128) |
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 #618033 | 4.52:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #618033 | 4.64:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #618033 text on white | 4.52:1 | AA | Lc 71.3 | Content text, not long reading |
| #618033 text on black | 4.64:1 | AA | Lc -30.4 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D4DDCA
oklch(88.5% 0.027 127.8)
-
Step 300
300
#B7C7A5
oklch(80.8% 0.05 128)
-
Step 400
400
#92AA74
oklch(70.6% 0.08 127.8)
-
Step 500
500
#77954F
oklch(63% 0.103 128.1)
-
Step 600
600 (this color)
#618033
oklch(55.9% 0.111 128)
-
Step 700
700
#506B25
oklch(49.1% 0.102 127.6)
-
Step 800
800
#415820
oklch(42.8% 0.086 128.3)
-
Step 900
900
#374820
oklch(37.6% 0.066 128.2)
-
Step 950
950
#202A13
oklch(26.9% 0.042 128.2)
#618033 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) | #86782B | 0.055 |
| Deuteranopia (no green cones) | #827638 | 0.056 |
| Tritanopia (no blue cones) | #647B6F | 0.086 |
| Achromatopsia (no color) | #767676 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #618033
#618033
oklch(55.9% 0.111 128)
- #8661A6
#8661A6
oklch(55.9% 0.111 307.9)
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 #618033, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.016
- Military Green #667C3E ΔE 0.021
- Murky Green #6C7A0E ΔE 0.026
- Olive Green #677A04 ΔE 0.028
- Khaki Green #728639 ΔE 0.031
- Moss Green #658B38 ΔE 0.033
- Muddy Green #657432 ΔE 0.035
- Fern Green #548D44 ΔE 0.037
Use #618033 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.