#40B265
Closest named color: Medium Sea Green (#3CB371). oklch(68% 0.152 150.8), rgb(64, 178, 101).
Aa
Black text reads best on this color (7.77:1).
About this color
#40B265 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.152 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Sea Green (#3CB371), ΔE 0.014 away. Black text reads best on it, at 7.77:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Medium Sea Green (#3CB371) |
| Black text | 7.77:1 |
| White text | 2.70:1 |
Values
| HEX | #40B265 |
| RGB | rgb(64, 178, 101) |
| HSL | hsl(139, 47%, 47%) |
| OKLCH | oklch(68% 0.152 150.8) |
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 #40B265 | 2.70:1 | Fails | Lc -57.2 | Large or bold text, headings |
| Black text on #40B265 | 7.77:1 | AAA | Lc 52.0 | Large or bold text, headings |
| #40B265 text on white | 2.70:1 | Fails | Lc 52.0 | Large or bold text, headings |
| #40B265 text on black | 7.77:1 | AAA | Lc -49.8 | 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 400.
-
Step 50
50
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DDEFE1
oklch(93.5% 0.027 152.4)
-
Step 200
200
#C1E4C8
oklch(88.6% 0.053 151.1)
-
Step 300
300
#93D2A1
oklch(80.8% 0.094 150.8)
-
Step 400
400 (this color)
#40B265
oklch(68% 0.152 150.8)
-
Step 500
500
#00A54F
oklch(63.2% 0.171 150.8)
-
Step 600
600
#008B41
oklch(55.7% 0.151 150.7)
-
Step 700
700
#007536
oklch(49.2% 0.133 150.8)
-
Step 800
800
#00602B
oklch(42.8% 0.116 150.8)
-
Step 900
900
#005023
oklch(37.7% 0.102 150.9)
-
Step 950
950
#003012
oklch(27% 0.073 150.7)
#40B265 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) | #B3A45F | 0.127 |
| Deuteranopia (no green cones) | #A4996A | 0.126 |
| Tritanopia (no blue cones) | #14AF9F | 0.083 |
| Achromatopsia (no color) | #9D9D9D | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40B265
#40B265
oklch(68% 0.152 150.8)
- #CC72C3
#CC72C3
oklch(68% 0.152 330.8)
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 #40B265, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Sea Green #3CB371 ΔE 0.014
- Jade Green #2BAF6A ΔE 0.016
- Cool Green #33B864 ΔE 0.018
- Dark Pastel Green #56AE57 ΔE 0.019
- Seaweed Green #35AD6B ΔE 0.020
- Algae #54AC68 ΔE 0.023
- Green Teal #0CB577 ΔE 0.024
- Dark Seafoam #1FB57A ΔE 0.026
Use #40B265 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.