#40AC84
Closest named color: Dark Seafoam Green (#3EAF76). oklch(67.2% 0.116 165.2), rgb(64, 172, 132).
Aa
Black text reads best on this color (7.45:1).
About this color
#40AC84 is a medium-light, moderately saturated green. In OKLCH its lightness is 67%, its chroma 0.116 and its hue 165°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Seafoam Green (#3EAF76), ΔE 0.024 away. Black text reads best on it, at 7.45:1.
| Hue family | Greens |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Dark Seafoam Green (#3EAF76) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #40AC84 |
| RGB | rgb(64, 172, 132) |
| HSL | hsl(158, 46%, 46%) |
| OKLCH | oklch(67.2% 0.116 165.2) |
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 #40AC84 | 2.81:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #40AC84 | 7.45:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #40AC84 text on white | 2.81:1 | Fails | Lc 53.8 | Large or bold text, headings |
| #40AC84 text on black | 7.45:1 | AAA | Lc -48.0 | 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
#DEEFE6
oklch(93.7% 0.022 163)
-
Step 200
200
#C2E2D3
oklch(88.5% 0.039 165.5)
-
Step 300
300
#94D0B5
oklch(80.9% 0.073 165)
-
Step 400
400 (this color)
#40AC84
oklch(67.2% 0.116 165.2)
-
Step 500
500
#00A275
oklch(63.1% 0.133 165)
-
Step 600
600
#008862
oklch(55.5% 0.117 165.2)
-
Step 700
700
#007352
oklch(49.2% 0.104 164.9)
-
Step 800
800
#005E43
oklch(42.7% 0.089 165.5)
-
Step 900
900
#004E37
oklch(37.6% 0.079 165.5)
-
Step 950
950
#002F1F
oklch(27% 0.057 164.4)
#40AC84 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) | #A9A082 | 0.115 |
| Deuteranopia (no green cones) | #9A9587 | 0.112 |
| Tritanopia (no blue cones) | #00ACA1 | 0.044 |
| Achromatopsia (no color) | #9A9A9A | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40AC84
#40AC84
oklch(67.2% 0.116 165.2)
- #C877A6
#C877A6
oklch(67.1% 0.117 344.9)
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 #40AC84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Seafoam Green #3EAF76 ΔE 0.024
- Bluey Green #2BB179 ΔE 0.027
- Greeny Blue #42B395 ΔE 0.027
- Tea #65AB7C ΔE 0.029
- Jade #1FA774 ΔE 0.032
- Dark Seafoam #1FB57A ΔE 0.036
- Seaweed Green #35AD6B ΔE 0.037
- Algae #54AC68 ΔE 0.038
Use #40AC84 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.