#18A771
Closest named color: Jade (#1FA774). oklch(64.5% 0.139 160.7), rgb(24, 167, 113).
Aa
Black text reads best on this color (6.80:1).
About this color
#18A771 is a medium-light, moderately saturated green. In OKLCH its lightness is 65%, its chroma 0.139 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.005 away. Black text reads best on it, at 6.80:1.
| Hue family | Greens |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.80:1 |
| White text | 3.08:1 |
Values
| HEX | #18A771 |
| RGB | rgb(24, 167, 113) |
| HSL | hsl(157, 75%, 37%) |
| OKLCH | oklch(64.5% 0.139 160.7) |
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 #18A771 | 3.08:1 | AA large text | Lc -62.6 | Content text, not long reading |
| Black text on #18A771 | 6.80:1 | AA | Lc 46.8 | Large or bold text, headings |
| #18A771 text on white | 3.08:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #18A771 text on black | 6.80:1 | AA | Lc -44.5 | 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 500.
-
Step 50
50
#F0F7F3
oklch(97% 0.009 161.4)
-
Step 100
100
#DFEEE5
oklch(93.5% 0.02 159.7)
-
Step 200
200
#C4E1D1
oklch(88.4% 0.038 161.4)
-
Step 300
300
#9ACFB2
oklch(80.9% 0.069 160.4)
-
Step 400
400
#5CB68A
oklch(70.8% 0.109 160.5)
-
Step 500
500 (this color)
#18A771
oklch(64.5% 0.139 160.7)
-
Step 600
600
#00895A
oklch(55.6% 0.125 160.5)
-
Step 700
700
#00734B
oklch(49% 0.11 160.6)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#032F1D
oklch(27.1% 0.058 160.7)
#18A771 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) | #A59A6E | 0.132 |
| Deuteranopia (no green cones) | #948E75 | 0.128 |
| Tritanopia (no blue cones) | #00A699 | 0.059 |
| Achromatopsia (no color) | #939393 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18A771
#18A771
oklch(64.5% 0.139 160.7)
- #C569A7
#C569A7
oklch(64.6% 0.139 340.9)
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 #18A771, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.005
- Seaweed Green #35AD6B ΔE 0.025
- Jade Green #2BAF6A ΔE 0.030
- Bluey Green #2BB179 ΔE 0.031
- Dark Seafoam Green #3EAF76 ΔE 0.031
- Algae #54AC68 ΔE 0.039
- Green Teal #0CB577 ΔE 0.040
- Dark Seafoam #1FB57A ΔE 0.041
Use #18A771 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.