#18B161
Closest named color: Jade Green (#2BAF6A). oklch(66.9% 0.166 153.1), rgb(24, 177, 97).
Aa
Black text reads best on this color (7.50:1).
About this color
#18B161 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.166 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade Green (#2BAF6A), ΔE 0.016 away. Black text reads best on it, at 7.50:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Jade Green (#2BAF6A) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #18B161 |
| RGB | rgb(24, 177, 97) |
| HSL | hsl(149, 76%, 39%) |
| OKLCH | oklch(66.9% 0.166 153.1) |
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 #18B161 | 2.79:1 | Fails | Lc -58.5 | Large or bold text, headings |
| Black text on #18B161 | 7.50:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #18B161 text on white | 2.79:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #18B161 text on black | 7.50:1 | AAA | Lc -48.5 | Large or bold text, headings |
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 500.
-
Step 50
50
#F0F8F2
oklch(97.1% 0.012 153.7)
-
Step 100
100
#DFEFE3
oklch(93.7% 0.023 153.4)
-
Step 200
200
#C3E2CB
oklch(88.4% 0.045 153.3)
-
Step 300
300
#98D0A8
oklch(80.8% 0.081 153.3)
-
Step 400
400
#57B879
oklch(70.7% 0.131 153.1)
-
Step 500
500 (this color)
#18B161
oklch(66.9% 0.166 153.1)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743C
oklch(49% 0.126 153.1)
-
Step 800
800
#005F30
oklch(42.6% 0.109 153.1)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#013015
oklch(27.1% 0.069 152.6)
#18B161 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) | #B1A15B | 0.144 |
| Deuteranopia (no green cones) | #A19667 | 0.141 |
| Tritanopia (no blue cones) | #00AF9E | 0.086 |
| Achromatopsia (no color) | #9A9A9A | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18B161
#18B161
oklch(66.9% 0.166 153.1)
- #CF69C0
#CF69C0
oklch(66.9% 0.166 333.1)
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 #18B161, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade Green #2BAF6A ΔE 0.016
- Seaweed Green #35AD6B ΔE 0.023
- Cool Green #33B864 ΔE 0.024
- Medium Green #39AD48 ΔE 0.026
- Green Teal #0CB577 ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.028
- Shamrock #01B44C ΔE 0.028
- Dark Pastel Green #56AE57 ΔE 0.031
Use #18B161 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.