#18904E
Closest named color: Sea Green (#2E8B57). oklch(57.6% 0.142 152.7), rgb(24, 144, 78).
Aa
Black text reads best on this color (5.13:1).
About this color
#18904E is a medium-dark, vivid green. In OKLCH its lightness is 58%, its chroma 0.142 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sea Green (#2E8B57), ΔE 0.024 away. Black text reads best on it, at 5.13:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Sea Green (#2E8B57) |
| Black text | 5.13:1 |
| White text | 4.08:1 |
Values
| HEX | #18904E |
| RGB | rgb(24, 144, 78) |
| HSL | hsl(147, 71%, 33%) |
| OKLCH | oklch(57.6% 0.142 152.7) |
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 #18904E | 4.08:1 | AA large text | Lc -73.0 | Content text, not long reading |
| Black text on #18904E | 5.13:1 | AA | Lc 36.5 | Non-text elements, placeholder text |
| #18904E text on white | 4.08:1 | AA large text | Lc 67.5 | Content text, not long reading |
| #18904E text on black | 5.13:1 | AA | Lc -34.1 | 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
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C8E0CE
oklch(88.4% 0.035 153.2)
-
Step 300
300
#A2CDAD
oklch(80.9% 0.064 152.7)
-
Step 400
400
#6DB382
oklch(70.7% 0.101 152.7)
-
Step 500
500
#3EA062
oklch(63.2% 0.131 152.7)
-
Step 600
600 (this color)
#18904E
oklch(57.6% 0.142 152.7)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#045F30
oklch(42.6% 0.108 152.8)
-
Step 900
900
#134E2B
oklch(37.7% 0.084 153)
-
Step 950
950
#0E2E19
oklch(27.1% 0.054 152.3)
#18904E 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) | #908349 | 0.121 |
| Deuteranopia (no green cones) | #837A53 | 0.119 |
| Tritanopia (no blue cones) | #008E80 | 0.074 |
| Achromatopsia (no color) | #7E7E7E | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18904E
#18904E
oklch(57.6% 0.142 152.7)
- #A8559D
#A8559D
oklch(57.5% 0.142 332.4)
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 #18904E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Green #2E8B57 ΔE 0.024
- Kelley Green #009337 ΔE 0.031
- Viridian #1E9167 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.038
- Fern Green #548D44 ΔE 0.039
- Forest Green #228B22 ΔE 0.042
- Jungle Green #048243 ΔE 0.044
- Irish Green #019529 ΔE 0.046
Use #18904E 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.