#59AA99

Closest named color: Greeny Blue (#42B395). oklch(68.2% 0.084 178.3), rgb(89, 170, 153).

Black text reads best on this color (7.63:1).

About this color

#59AA99 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.084 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.032 away. Black text reads best on it, at 7.63:1.

Hue family	Teals and cyans
Lightness	medium-light (68%)
Chroma	moderately saturated (0.084)
Temperature	cool
Nearest name	Greeny Blue (#42B395)
Black text	7.63:1
White text	2.75:1

Values

HEX	#59AA99
RGB	rgb(89, 170, 153)
HSL	hsl(167, 32%, 51%)
OKLCH	oklch(68.2% 0.084 178.3)

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 #59AA99	2.75:1	Fails	Lc -58.2	Large or bold text, headings
Black text on #59AA99	7.63:1	AAA	Lc 51.0	Large or bold text, headings
#59AA99 text on white	2.75:1	Fails	Lc 53.0	Large or bold text, headings
#59AA99 text on black	7.63:1	AAA	Lc -48.9	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

#F1F7F5

oklch(97.1% 0.007 174.4)
Step 100
100

#E0EDEA

oklch(93.6% 0.014 180.7)
Step 200
200

#C6E0D9

oklch(88.6% 0.029 177.6)
Step 300
300

#9DCCC1

oklch(80.9% 0.052 179)
Step 400
400 (this color)

#59AA99

oklch(68.2% 0.084 178.3)
Step 500
500

#239E8A

oklch(63% 0.107 178.7)
Step 600
600

#008674

oklch(55.5% 0.101 178.9)
Step 700
700

#007161

oklch(49.1% 0.09 178.4)
Step 800
800

#005D4F

oklch(42.8% 0.079 177.8)
Step 900
900

#004D42

oklch(37.6% 0.069 179)
Step 950
950

#062D27

oklch(26.9% 0.044 180.3)

Export this scale for Tailwind in the Tailwind colors tool

#59AA99 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)	#A4A298	0.088
Deuteranopia (no green cones)	#97989A	0.084
Tritanopia (no blue cones)	#37ACA5	0.026
Achromatopsia (no color)	#9C9C9C	0.085