#40AC8A
Closest named color: Greeny Blue (#42B395). oklch(67.3% 0.111 168.8), rgb(64, 172, 138).
Aa
Black text reads best on this color (7.48:1).
About this color
#40AC8A is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.111 and its hue 169°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.022 away. Black text reads best on it, at 7.48:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #40AC8A |
| RGB | rgb(64, 172, 138) |
| HSL | hsl(161, 46%, 46%) |
| OKLCH | oklch(67.3% 0.111 168.8) |
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 #40AC8A | 2.80:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #40AC8A | 7.48:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #40AC8A text on white | 2.80:1 | Fails | Lc 53.7 | Large or bold text, headings |
| #40AC8A text on black | 7.48:1 | AAA | Lc -48.2 | 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 400.
-
Step 50
50
#F0F8F4
oklch(97.2% 0.01 164.9)
-
Step 100
100
#DEEEE7
oklch(93.5% 0.019 167.9)
-
Step 200
200
#C1E2D5
oklch(88.5% 0.039 169.6)
-
Step 300
300
#94D0B9
oklch(81% 0.07 168.8)
-
Step 400
400 (this color)
#40AC8A
oklch(67.3% 0.111 168.8)
-
Step 500
500
#00A17C
oklch(63% 0.126 169.1)
-
Step 600
600
#008868
oklch(55.7% 0.112 168.9)
-
Step 700
700
#007257
oklch(49.1% 0.098 169.1)
-
Step 800
800
#005E47
oklch(42.8% 0.086 168.9)
-
Step 900
900
#004E3A
oklch(37.7% 0.076 168.5)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#40AC8A 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) | #A8A188 | 0.113 |
| Deuteranopia (no green cones) | #98968C | 0.108 |
| Tritanopia (no blue cones) | #00ADA2 | 0.036 |
| Achromatopsia (no color) | #9A9A9A | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AC8A
#40AC8A
oklch(67.3% 0.111 168.8)
- #C979A1
#C979A1
oklch(67.4% 0.111 349.1)
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 #40AC8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.022
- Tea #65AB7C ΔE 0.031
- Dark Seafoam Green #3EAF76 ΔE 0.032
- Bluey Green #2BB179 ΔE 0.035
- Jade #1FA774 ΔE 0.038
- Dark Seafoam #1FB57A ΔE 0.043
- Light Sea Green #20B2AA ΔE 0.044
- Seaweed Green #35AD6B ΔE 0.046
Use #40AC8A 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.