#40A587
Closest named color: Persian Green (#2A9D8F). oklch(65.4% 0.104 170.3), rgb(64, 165, 135).
Aa
Black text reads best on this color (6.94:1).
About this color
#40A587 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.104 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.033 away. Black text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #40A587 |
| RGB | rgb(64, 165, 135) |
| HSL | hsl(162, 44%, 45%) |
| OKLCH | oklch(65.4% 0.104 170.3) |
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 #40A587 | 3.02:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #40A587 | 6.94:1 | AA | Lc 47.4 | Large or bold text, headings |
| #40A587 text on white | 3.02:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #40A587 text on black | 6.94:1 | AA | Lc -45.1 | 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 500.
-
Step 50
50
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE8
oklch(93.6% 0.014 169.2)
-
Step 200
200
#C8E0D6
oklch(88.6% 0.029 168.7)
-
Step 300
300
#A0CCBC
oklch(80.9% 0.052 170.8)
-
Step 400
400
#69B199
oklch(70.6% 0.081 170.5)
-
Step 500
500 (this color)
#40A587
oklch(65.4% 0.104 170.3)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#0E4D3C
oklch(37.7% 0.068 170.1)
-
Step 950
950
#0C2D23
oklch(26.9% 0.043 169.9)
#40A587 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) | #A19B86 | 0.107 |
| Deuteranopia (no green cones) | #929089 | 0.103 |
| Tritanopia (no blue cones) | #00A69C | 0.034 |
| Achromatopsia (no color) | #949494 | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40A587
#40A587
oklch(65.4% 0.104 170.3)
- #C07599
#C07599
oklch(65.4% 0.104 350.1)
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 #40A587, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.033
- Jade #1FA774 ΔE 0.036
- Dull Teal #5F9E8F ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.038
- Ocean Green #3D9973 ΔE 0.040
- Tea #65AB7C ΔE 0.041
- Greeny Blue #42B395 ΔE 0.041
- Blue Green #0F9B8E ΔE 0.043
Use #40A587 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.