#259A84
Closest named color: Blue Green (#0F9B8E). oklch(61.8% 0.105 176.7), rgb(37, 154, 132).
Aa
Black text reads best on this color (6.03:1).
About this color
#259A84 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.105 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.015 away. Black text reads best on it, at 6.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 6.03:1 |
| White text | 3.48:1 |
Values
| HEX | #259A84 |
| RGB | rgb(37, 154, 132) |
| HSL | hsl(169, 61%, 37%) |
| OKLCH | oklch(61.8% 0.105 176.7) |
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 #259A84 | 3.48:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #259A84 | 6.03:1 | AA | Lc 42.1 | Non-text elements, placeholder text |
| #259A84 text on white | 3.48:1 | AA large text | Lc 62.0 | Content text, not long reading |
| #259A84 text on black | 6.03:1 | AA | Lc -39.7 | Non-text elements, placeholder text |
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
#E0EDE9
oklch(93.5% 0.015 175.7)
-
Step 200
200
#C6E0D8
oklch(88.5% 0.03 175.2)
-
Step 300
300
#9ECCC0
oklch(80.9% 0.051 177.2)
-
Step 400
400
#64B29F
oklch(70.8% 0.083 176.2)
-
Step 500
500 (this color)
#259A84
oklch(61.8% 0.105 176.7)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#034D41
oklch(37.6% 0.068 177.5)
-
Step 950
950
#082D26
oklch(26.9% 0.043 177.6)
#259A84 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) | #949083 | 0.111 |
| Deuteranopia (no green cones) | #848586 | 0.105 |
| Tritanopia (no blue cones) | #009C93 | 0.021 |
| Achromatopsia (no color) | #898989 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #259A84
#259A84
oklch(61.8% 0.105 176.7)
- #B86987
#B86987
oklch(61.8% 0.107 356.5)
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 #259A84, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.015
- Persian Green #2A9D8F ΔE 0.017
- Ocean Green #3D9973 ΔE 0.025
- Sea #3C9992 ΔE 0.027
- Dusty Teal #4C9085 ΔE 0.037
- Teal Green #0A9396 ΔE 0.040
- Grey Teal #5E9B8A ΔE 0.044
- Viridian #1E9167 ΔE 0.045
Use #259A84 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.