#40B962
Closest named color: Cool Green (#33B864). oklch(69.8% 0.165 149.3), rgb(64, 185, 98).
Aa
Black text reads best on this color (8.33:1).
About this color
#40B962 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.165 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.008 away. Black text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.33:1 |
| White text | 2.51:1 |
Values
| HEX | #40B962 |
| RGB | rgb(64, 185, 98) |
| HSL | hsl(137, 49%, 49%) |
| OKLCH | oklch(69.8% 0.165 149.3) |
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 #40B962 | 2.51:1 | Fails | Lc -54.1 | Large or bold text, headings |
| Black text on #40B962 | 8.33:1 | AAA | Lc 55.0 | Large or bold text, headings |
| #40B962 text on white | 2.51:1 | Fails | Lc 49.0 | Large or bold text, headings |
| #40B962 text on black | 8.33:1 | AAA | Lc -52.9 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DDF0DF
oklch(93.6% 0.03 148.4)
-
Step 200
200
#C0E4C5
oklch(88.5% 0.057 149)
-
Step 300
300
#91D49C
oklch(81% 0.104 148.8)
-
Step 400
400 (this color)
#40B962
oklch(69.8% 0.165 149.3)
-
Step 500
500
#00A548
oklch(63% 0.177 149.3)
-
Step 600
600
#008B3B
oklch(55.6% 0.156 149.2)
-
Step 700
700
#007531
oklch(49.1% 0.138 149.3)
-
Step 800
800
#006027
oklch(42.7% 0.12 149.3)
-
Step 900
900
#00501F
oklch(37.7% 0.106 149.2)
-
Step 950
950
#003010
oklch(27% 0.075 149.4)
#40B962 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) | #BAAA5B | 0.133 |
| Deuteranopia (no green cones) | #AB9F68 | 0.132 |
| Tritanopia (no blue cones) | #10B6A4 | 0.091 |
| Achromatopsia (no color) | #A3A3A3 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40B962
#40B962
oklch(69.8% 0.165 149.3)
- #D474CF
#D474CF
oklch(69.7% 0.165 329.1)
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 #40B962, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.008
- Dark Mint Green #20C073 ΔE 0.023
- Dark Mint #48C072 ΔE 0.026
- Algae Green #21C36F ΔE 0.028
- Medium Sea Green #3CB371 ΔE 0.029
- Dark Pastel Green #56AE57 ΔE 0.031
- Boring Green #63B365 ΔE 0.031
- Green Teal #0CB577 ΔE 0.035
Use #40B962 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.