#40B893
Closest named color: Greeny Blue (#42B395). oklch(70.6% 0.12 168.8), rgb(64, 184, 147).
Aa
Black text reads best on this color (8.49:1).
About this color
#40B893 is a medium-light, moderately saturated green. In OKLCH its lightness is 71%, its chroma 0.120 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 0.016 away. Black text reads best on it, at 8.49:1.
| Hue family | Greens |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 8.49:1 |
| White text | 2.47:1 |
Values
| HEX | #40B893 |
| RGB | rgb(64, 184, 147) |
| HSL | hsl(162, 48%, 49%) |
| OKLCH | oklch(70.6% 0.12 168.8) |
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 #40B893 | 2.47:1 | Fails | Lc -53.3 | Large or bold text, headings |
| Black text on #40B893 | 8.49:1 | AAA | Lc 55.7 | Large or bold text, headings |
| #40B893 text on white | 2.47:1 | Fails | Lc 48.3 | Large or bold text, headings |
| #40B893 text on black | 8.49:1 | AAA | Lc -53.7 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DDEFE7
oklch(93.7% 0.022 167.5)
-
Step 200
200
#BFE3D4
oklch(88.6% 0.043 168.2)
-
Step 300
300
#90D1B8
oklch(81% 0.075 168.5)
-
Step 400
400 (this color)
#40B893
oklch(70.6% 0.12 168.8)
-
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)
#40B893 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) | #B3AC91 | 0.121 |
| Deuteranopia (no green cones) | #A3A095 | 0.117 |
| Tritanopia (no blue cones) | #00B9AD | 0.038 |
| Achromatopsia (no color) | #A5A5A5 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40B893
#40B893
oklch(70.6% 0.12 168.8)
- #D780AC
#D780AC
oklch(70.6% 0.12 348.9)
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 #40B893, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.016
- Green Blue #01C08D ΔE 0.032
- Topaz #13BBAF ΔE 0.039
- Dark Seafoam #1FB57A ΔE 0.040
- Bluey Green #2BB179 ΔE 0.041
- Greenblue #23C48B ΔE 0.041
- Dark Seafoam Green #3EAF76 ΔE 0.042
- Tea #65AB7C ΔE 0.043
Use #40B893 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.