#18AE78
Closest named color: Bluey Green (#2BB179). oklch(66.6% 0.142 161.7), rgb(24, 174, 120).
Aa
Black text reads best on this color (7.36:1).
About this color
#18AE78 is a medium-light, vivid green. In OKLCH its lightness is 67%, its chroma 0.142 and its hue 162°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Bluey Green (#2BB179), ΔE 0.012 away. Black text reads best on it, at 7.36:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Bluey Green (#2BB179) |
| Black text | 7.36:1 |
| White text | 2.85:1 |
Values
| HEX | #18AE78 |
| RGB | rgb(24, 174, 120) |
| HSL | hsl(158, 76%, 39%) |
| OKLCH | oklch(66.6% 0.142 161.7) |
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 #18AE78 | 2.85:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #18AE78 | 7.36:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #18AE78 text on white | 2.85:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #18AE78 text on black | 7.36:1 | AAA | Lc -47.7 | 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
#F0F7F3
oklch(97% 0.009 161.4)
-
Step 100
100
#DFEEE6
oklch(93.6% 0.019 162.9)
-
Step 200
200
#C4E2D1
oklch(88.6% 0.039 160.7)
-
Step 300
300
#99CFB3
oklch(80.9% 0.069 161.8)
-
Step 400
400
#58B68B
oklch(70.7% 0.111 161.8)
-
Step 500
500 (this color)
#18AE78
oklch(66.6% 0.142 161.7)
-
Step 600
600
#00895C
oklch(55.7% 0.123 161.5)
-
Step 700
700
#00734D
oklch(49.1% 0.108 161.8)
-
Step 800
800
#005E3E
oklch(42.6% 0.094 161.6)
-
Step 900
900
#004F33
oklch(37.8% 0.084 161.3)
-
Step 950
950
#012F1D
oklch(27% 0.059 161.4)
#18AE78 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) | #ABA075 | 0.136 |
| Deuteranopia (no green cones) | #9A947C | 0.132 |
| Tritanopia (no blue cones) | #00AEA0 | 0.058 |
| Achromatopsia (no color) | #999999 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18AE78
#18AE78
oklch(66.6% 0.142 161.7)
- #CD6EAD
#CD6EAD
oklch(66.6% 0.142 341.4)
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 #18AE78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluey Green #2BB179 ΔE 0.012
- Dark Seafoam Green #3EAF76 ΔE 0.016
- Seaweed Green #35AD6B ΔE 0.017
- Jade Green #2BAF6A ΔE 0.020
- Jade #1FA774 ΔE 0.020
- Dark Seafoam #1FB57A ΔE 0.021
- Green Teal #0CB577 ΔE 0.021
- Medium Sea Green #3CB371 ΔE 0.025
Use #18AE78 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.