#40AB68
Closest named color: Seaweed Green (#35AD6B). oklch(66.3% 0.14 152.7), rgb(64, 171, 104).
Aa
Black text reads best on this color (7.24:1).
About this color
#40AB68 is a medium-light, moderately saturated green. In OKLCH its lightness is 66%, its chroma 0.140 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed Green (#35AD6B), ΔE 0.007 away. Black text reads best on it, at 7.24:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.140) |
| Temperature | in between |
| Nearest name | Seaweed Green (#35AD6B) |
| Black text | 7.24:1 |
| White text | 2.89:1 |
Values
| HEX | #40AB68 |
| RGB | rgb(64, 171, 104) |
| HSL | hsl(142, 46%, 46%) |
| OKLCH | oklch(66.3% 0.14 152.7) |
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 #40AB68 | 2.89:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #40AB68 | 7.24:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #40AB68 text on white | 2.89:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #40AB68 text on black | 7.24:1 | AAA | Lc -46.8 | 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
#F1F7F2
oklch(97% 0.009 150.7)
-
Step 100
100
#E1EEE4
oklch(93.7% 0.019 152.8)
-
Step 200
200
#C7E1CD
oklch(88.5% 0.039 152.4)
-
Step 300
300
#A0CEAC
oklch(80.9% 0.068 152.7)
-
Step 400
400
#68B47F
oklch(70.6% 0.109 152.5)
-
Step 500
500 (this color)
#40AB68
oklch(66.3% 0.14 152.7)
-
Step 600
600
#008A48
oklch(55.5% 0.143 153)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F2F
oklch(42.5% 0.11 152.7)
-
Step 900
900
#0B4F29
oklch(37.7% 0.091 152.9)
-
Step 950
950
#0B2E18
oklch(26.9% 0.057 152.6)
#40AB68 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) | #AB9E63 | 0.120 |
| Deuteranopia (no green cones) | #9D946C | 0.118 |
| Tritanopia (no blue cones) | #17A99A | 0.072 |
| Achromatopsia (no color) | #989898 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AB68
#40AB68
oklch(66.3% 0.14 152.7)
- #C470B8
#C470B8
oklch(66.2% 0.14 332.5)
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 #40AB68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed Green #35AD6B ΔE 0.007
- Jade Green #2BAF6A ΔE 0.014
- Algae #54AC68 ΔE 0.015
- Dark Seafoam Green #3EAF76 ΔE 0.018
- Medium Sea Green #3CB371 ΔE 0.023
- Bluey Green #2BB179 ΔE 0.023
- Jade #1FA774 ΔE 0.027
- Dark Pastel Green #56AE57 ΔE 0.028
Use #40AB68 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.